If a person has a blood-calcium (Ca2+) level of 8 mg/100 ml
of blood, which of the following mechanisms does the body
use to maintain blood-calcium homeostasis?
Students choose an option
Pear Deck Interacture
Do not remove the

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.

b) the inside picture would look at a very high temperature in a very low ph